Changes

* '''1. Firstly, need prepair a micro sd card, a minimum 16 Gb class 10 memory card is recommended. 2. Download an appropriate OS download:''' image for the PiKVM, the url link is https://pikvm.org/download/ or click [https://files.pikvm.org/images/v3-hdmi-rpi4-latest.img.xz this one] to download it. (Please use the V3 HAT OS)* 3. Flash OS image into Micro SD car '''1) How to installing the Operating System''' (CM4 without eMMC) 

* '''2) How to flash OS onto the eMMC of CM4? (CM4 with eMMC)'''1a. Short nBOOT&GND, refer to the picture below.

2b. Connect Type-C OTG to your computer

3c. Power the X650 via PWR Type-C with your 5V Power adaper

4d. Then rerfer to [https://www.jeffgeerling.com/blog/2020/how-flash-raspberry-pi-os-compute-module-4-emmc-usbboot this tutorial] to flash pikvm OS

5e. Remove the jumper of nBOOT&GND after flashing is complete, then restart your device;